Policy Server Guides › Policy Server Configuration Guide › Attributes and Expressions Reference › Functions Available within Expressions › COUNT Function--Count the Elements in a Set

COUNT Function--Count the Elements in a Set

The COUNT function counts the number of elements in a set.

Syntax

The COUNT function has the following format:

COUNT(set[, case_sensitive])

Parameters

The COUNT function accepts the following parameters:

set (string)

Specifies a string of elements that are separated by the caret character: 'element1^element2'. Each element is a string.

case_sensitive (Boolean)

(Optional) Specifies case sensitivity.

• If the case_sensitive flag is omitted, the function counts all elements.
• If the case_sensitive flag is supplied, the function counts only unique elements.
• If the case_sensitive flag is TRUE, the function is case-sensitive.
• If the case_sensitive flag is FALSE, the function is not case-sensitive.

Return Value

The COUNT function returns a number.

Example

Return_value=COUNT('phoebe^PHOEBE^robin^robin')
Return_value=4

Return_value=COUNT('phoebe^PHOEBE^robin^robin', FALSE)
Return_value=2

Return_value=COUNT('phoebe^PHOEBE^robin^robin', TRUE)
Return_value=3